Harmful Algal Bloom Report

Bloom Code 25-3430-B2

Where

Water Body Cayuga Lake
Latitude and Longitude 42.473069, -76.529228
Segment Lakeshore Segment Southwest 2: Cass Park to Glenwood Point
County Tompkins
Extent Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.

When

Bloom Reported July 22, 2025 11:50 AM
Bloom Sampled July 22, 2025 11:50 AM
Microscopic Examination

Bloom Description

Volunteer reports: Bright sunshine, calm water but slight N breeze developing, air temperature in low 70s F and rising. I repeat that this Bloom is slight but evident on 3 of the 5 properties in zone 3430. Overall, lake surface is green throughout the zone and beyond with cyanobacteria evident while only poorly defined streaks at several places.

Weather

Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp